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22-09-2021
Mathematics

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The measures of the angles of a triangle are shown below. Find the value of x. 81°, 80°, x°

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Аноним Аноним

22-09-2021

Using angle sum property

[tex]\\ \sf\longmapsto 81+80+x=180[/tex]

[tex]\\ \sf\longmapsto 161+x=180[/tex]

[tex]\\ \sf\longmapsto x=180-161[/tex]

[tex]\\ \sf\longmapsto x=19[/tex]

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